package com.rfy.infomanage.pojo;

import java.util.Date;
import java.util.List;
import org.hibernate.LockMode;
import org.hibernate.Query;
import org.hibernate.criterion.Example;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

/**
 * A data access object (DAO) providing persistence and search support for
 * ImStudentInfo entities. Transaction control of the save(), update() and
 * delete() operations can directly support Spring container-managed
 * transactions or they can be augmented to handle user-managed Spring
 * transactions. Each of these methods provides additional information for how
 * to configure it for the desired type of transaction control.
 * 
 * @see com.rfy.infomanage.pojo.ImStudentInfo
 * @author MyEclipse Persistence Tools
 */

public class ImStudentInfoDAO extends BaseHibernateDAO {
	private static final Logger log = LoggerFactory
			.getLogger(ImStudentInfoDAO.class);
	// property constants
	public static final String DEPARTMENT_ID = "departmentId";
	public static final String STU_NO = "stuNo";
	public static final String NAME = "name";
	public static final String SEX = "sex";
	public static final String PHOTO = "photo";

	public void save(ImStudentInfo transientInstance) {
		log.debug("saving ImStudentInfo instance");
		try {
			getSession().save(transientInstance);
			log.debug("save successful");
		} catch (RuntimeException re) {
			log.error("save failed", re);
			throw re;
		}
	}

	public void delete(ImStudentInfo persistentInstance) {
		log.debug("deleting ImStudentInfo instance");
		try {
			getSession().delete(persistentInstance);
			log.debug("delete successful");
		} catch (RuntimeException re) {
			log.error("delete failed", re);
			throw re;
		}
	}

	public ImStudentInfo findById(java.lang.Integer id) {
		log.debug("getting ImStudentInfo instance with id: " + id);
		try {
			ImStudentInfo instance = (ImStudentInfo) getSession().get(
					"com.rfy.infomanage.pojo.ImStudentInfo", id);
			return instance;
		} catch (RuntimeException re) {
			log.error("get failed", re);
			throw re;
		}
	}

	public List findByExample(ImStudentInfo instance) {
		log.debug("finding ImStudentInfo instance by example");
		try {
			List results = getSession().createCriteria(
					"com.rfy.infomanage.pojo.ImStudentInfo").add(
					Example.create(instance)).list();
			log.debug("find by example successful, result size: "
					+ results.size());
			return results;
		} catch (RuntimeException re) {
			log.error("find by example failed", re);
			throw re;
		}
	}

	public List findByProperty(String propertyName, Object value) {
		log.debug("finding ImStudentInfo instance with property: "
				+ propertyName + ", value: " + value);
		try {
			String queryString = "from ImStudentInfo as model where model."
					+ propertyName + "= ?";
			Query queryObject = getSession().createQuery(queryString);
			queryObject.setParameter(0, value);
			return queryObject.list();
		} catch (RuntimeException re) {
			log.error("find by property name failed", re);
			throw re;
		}
	}

	public List findByDepartmentId(Object departmentId) {
		return findByProperty(DEPARTMENT_ID, departmentId);
	}

	public List findByStuNo(Object stuNo) {
		return findByProperty(STU_NO, stuNo);
	}

	public List findByName(Object name) {
		return findByProperty(NAME, name);
	}

	public List findBySex(Object sex) {
		return findByProperty(SEX, sex);
	}

	public List findByPhoto(Object photo) {
		return findByProperty(PHOTO, photo);
	}

	public List findAll() {
		log.debug("finding all ImStudentInfo instances");
		try {
			String queryString = "from ImStudentInfo";
			Query queryObject = getSession().createQuery(queryString);
			return queryObject.list();
		} catch (RuntimeException re) {
			log.error("find all failed", re);
			throw re;
		}
	}

	public ImStudentInfo merge(ImStudentInfo detachedInstance) {
		log.debug("merging ImStudentInfo instance");
		try {
			ImStudentInfo result = (ImStudentInfo) getSession().merge(
					detachedInstance);
			log.debug("merge successful");
			return result;
		} catch (RuntimeException re) {
			log.error("merge failed", re);
			throw re;
		}
	}

	public void attachDirty(ImStudentInfo instance) {
		log.debug("attaching dirty ImStudentInfo instance");
		try {
			getSession().saveOrUpdate(instance);
			log.debug("attach successful");
		} catch (RuntimeException re) {
			log.error("attach failed", re);
			throw re;
		}
	}

	public void attachClean(ImStudentInfo instance) {
		log.debug("attaching clean ImStudentInfo instance");
		try {
			getSession().lock(instance, LockMode.NONE);
			log.debug("attach successful");
		} catch (RuntimeException re) {
			log.error("attach failed", re);
			throw re;
		}
	}
}